Which of the following provides real-time information in response to requests?
multiple choice
a. transactional system
b. real-time system
c. sales system
d. salary system

The correct answer is b. real -time system

Explanation:

Real-time information : The real-time information is that information which is currently available regarding customer enquirers, customer request or by any other reasons in the computer system or any other system

The transactional system records those things which are related to the transactions.  It records day to day transactions which mainly includes customer relationship systems, enterprise resource planning, etc.

The sales system records those things which are related to the sales of the company products. Like: how much sale is made in a month

The salary system records all those transactions which are related to the salary like employees provident fund, tax deducted at source, basic pay, medical benefits, etc.

Out of these, the real-time system provides the current status or live status of anything.

Hence,The correct answer is b. real -time system

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